Question
The polarisation is measured in:

Answer

$C/m^2$​​​​​​​

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

An electromagnetic wave can be produced when the charge is
The magnetic moment of atomic neon is(a) Zero  (b) μB/2(c) μB(d) 3μB/2
       
A radioactive element ${90^X}^{238}$ decay into ${83^X}^{222}$. The number of $\beta -$ particles emitted are
The ratio of the energies of the hydrogen atom in its first to second excited state is(a) 1/ 4(b) 4/9(c) 9/ 4(d) 4
       
A solid sphere falls with a terminal velocity of 20m/s in air. If it is allowed to fall in vacuum,
  1. Terminal velocity will be 20m/s
  2. Terminal velocity will be less than 20m/s
  3. Terminal velocity will be more than 20m/s
  4. There will be no terminal velocity.
A square conducting loop of side L and resistance R is moving in its plane with a uniform velocity v perpendicular to its one side, where magnetic induction is B which is constant in space and time and is normal to the inwards of the plane. Induced current in the coil is:
A photodetector is made from a semiconductor $\ln { }_{0.53} \mathrm{Ga}_{0.47} \mathrm{As}$ with $\mathrm{E}_{\mathrm{g}}=0.73 \mathrm{eV}$. What is the maximum wavelength, which it can detect
The main cause of avalanche breakdown is:
A condenser of $2\ mF$ capacitance is charged steadily from $0$ to $5$ Coulomb. Which of the following graphs correctly represents the variation of potential difference across its plates with respect to the charge on the condenser
A triangular prism of glass is shown in the figure. A ray incident normally to one face is totally reflected, if $\theta = 45^\circ .$ The index of refraction of glass is